Dust collecting apparatus for suction cleaners



Nov. 15, 1932. D, REPLQGLE 1,887,601

DUST COLLECTING APPARATUS FOR SUCTION CLEANERS Original Filed Feb. 3, 1928 Inventor DBReflqg/e Attorney Patented Nov. 15, 1932 v UNITED STATES PATaN'r OFFICE DANIEL I BIPLOGLE, 0F BERKELEY, GAIJJ'OBNIA, ABSIGHOR, BY DIR-F171 AND mm: A8816. TO THE GO GUARDIAN TRUST Q; SAVING-B BANK,

OI TOLEDO, OHIO DUST COLLECTING APPARATUS FOR SUGI'ION CL Original application fled Icbruary 8, 1928, Serial No. 251,641. Divided and this application flied. July 15,

1931. Serial in. 581,023.

The invention relates to manually portable, electrically operated cleaners, and more particularly to the arrangement and form of dust collecting and filtering apparatus. One of the objects of the present invention is to improve the form of the dust collector, manner and convenience of attaching and removing dust filtering receptacles, and to provide an improved location of the electrical connections between the suction handle and the dust collect'or in order to protect the electric connections and terminals from injury during the operation of the machine.

The present application is a division of my prior application Serial No. 251,641, filed February 3, 1,928. I

The inventionwill be made apparent fro a consideration of the accompanying drawing, which sets forth an illustrative embodiment of the'invention.

In the drawing:

Fig. 1 is a view in side elevation of my assembled cleaner in working position for sweeping a floor, parts being broken away to show the interior arrangement of motor driven fans, and the dust collection element;

Fig. 2 is a front view of a suitable air-way floor cleaning tool usable with the device;

tion ofthevalve'member and couplings thereof for conn ectingto thehandle and dust collector parent topped indicator valveremoved from- Fig. 4 is a detail perspective of the transthe parts shown in Fig. 3;

Fig. 5 shows the paper dust filter receptacle accompanied by a mat with which it is designed to be coiled within the body of the device;

Fig. '6 shows a cross section taken on the line H of Fig. 1, and

Fig. is adetail designed to illustrate how the filtering receptacle is attached to receive the exhaustof dust-laden air. V In the drawing, like characters of refer ence denote like and corresponding parts throughout the several views. v

The straight section 1, of the tubular handle is intermediately joined to the curved section 2 thereof by slip joints at the open .ends 1' and 2' respectively of the valve member 8, and it is further connected to the floor tool 4 at the slip joint 3. The said floor tool 4 is arranged to turn on the swivel 'oint 5 so as to conform with the floor regar less of variations in the angle of the handle which is rigidly secured to the machine as a whole.

The motor 6 is rigidl attached with its axis parallel to the ban 1e by means of the brace 7, and the valve housing which is .aligned with the handle has the nipple piece 9 connecting it with the L 10 by means of the knurled coupling screw 11. The other end of the L 10 connects with the body 12 means of the cap 13-, which is designed to t down on the concentric shield- 14 so as to clasp the periphery of thefnouth' 14' of-the paper filter 19 over the end 10' of the connecting L 10, so as to lead within the filtering receptacle.

The knurled ring 15 runs on the threaded end of the L 10 back of the cap 13 and is adapted to clamp the periphery of the mouth 14', sealing against leakage and supporting the upper end of the filter 19.

A suitable mat 20 which may be made of straw or other light material is coiled with the filtering envelope'19 to keep it from being a pressed against the inner walls or against Fig.;3 is a central longitudinal cross sec-' its. own folds; thus insuring free passage of air through its pores during inflation. Also to prevent collapsing and shutting oil the air flow from the interior of the filter, the extender 20' is placed centrally of the body 12 and directly over the passage leading to the fan 6' and 6".

Bands 21, 21 are used to further secure the body 12 to the handle 1, and they also support the ends of a truss 22 carrying the terminals 24 and 25 of the electric conduction cords 23 and 23' respectively. The terminal 24 is rigidly held fast while the terminal 25 is arranged to be slid into and out of electric contact by means of the sliding ring 26, which encircles the handle.

The cylindrical extensions 27 of the fan case 29 has fitted to it, the lower end 28 of the The exhaust port 29' of the fan case is e uivalent in design to the end of the handle tiibe 2, so that a hose pipe suitable for suction on the end of the handle may be attached to the exhaust29', andHused as a blower.

Ordinarily, however, a deflector plate stifily hinged at 31 is arranged to throw exhaust air against the motor 6 for the purpose of cooling the same when in service.

The reason for hingingcthe deflector plate is to permit the same to be moved out of the wayof the exhaust port 29' of the fan case to permit a hosepipe or suitable attachment to be secured to said exhaust.

I "rear rollers elevated ordinarily above the motor 6 is provided so as to connect elec-.

floor for general sweeping, but may be tilted over the edges ofrugs and the like by dropping the handle straight down so as to fulcrum on the rear rollers when they reach the floor. For running under furniture, the

handle and body are swung over sidewise,

swivelling' at the joint 5.

The floor tool being removable, the lower end of the pipe or handle 1 may be provided with any approved modern tools such as may be used for stationary cleaning systems, 1n-

cluding such as may have independently elec-' trically driven parts. An outlet 33 on the trically from any independent source, or to furnish further extension of the current brought through the conduction cords 23, 23.

In addition to the operative connection made with the cleaning tools at the lower end of the handle, the outer end of the curved handle tube is adapted to connect with a hose pipe or any suitable cleaning tool.

During. the cleaning operations the transarent-topped valve 8' must of course be kept 'within the housing 8, its port 17 registering with. the open upper end of the L 10, the

cylindrical "portion 16 being adapted to interchangeably open and close the handle passages as the port 18 is rotated to register with either.

It is to be notedthat by my present arrangement of the parts, the transparenttopped valve is brought near to the hand and eye of the operator of the device, as a sweeper, and facilitates observation of results when the dust-laden air whirls through the.valve It .is also to be observed by this present construction that the dust and litter of cleaning is arrested before the air carrying it passes through the fan. This arrangement ;favors compounding of the fan as shown,

v lower end of the body12.

whereby the. air passesthrough the centrifugal fans 6 and 6" consecutively and is therey much accelerated and made more effective. To prevent the litter from reachingthe fans in case of rupture of the filter 19, the first port 34 leading to the fan is covered by an I arched circular screen, 34, arrangedin the When the filter 19 has become fouled or sufiiciently filled, it is removed by first unscrewing the ring 11 so as to detachthe L end from the member 8, then unhooking the cap 13 connected with the said L, liftmg them away with the filter attached. After the filter is outside the body it is released by unscrewing the ring 15 and sliding inward the end of the L carrying the shield 14. The filter envelope 19 with its contents is designed to be thrown away or destroyed and replaced. with a new similar envelope made "of. porous paper on whichadvertising may be printed.

Replacing the filtering envelope is accom-. plished by first slipping the mouth 14: thereof over the shield 14 as detailed in Fig. 7, then before reinserting into the body 12,1aying it in laterally with the mat 20 and coiling the two into spiral form. Then the coiled filter and mat are slid within the body 12 and around the distender 20', as shown .in detail in cross section Fig. 6. The cap 13 is replaced and again secured by suitable means against leak, the rings 11 and 15 are again screwed up, and the device is ready for further service.

of It will be noted that the mat 20 is in con- ,of straw or other light-weight cellulose material. The function of the extender is similar to that of the mat, namely, to reinforce the paper and to prevent collapsing of the bag. If desired, an extender might be formed within the bag as by adhesively securing the diamond-shaped mesh to the paper surface.

WhatI claim is:

1. In a suction cleaner having a suction handle adapted for attachment to dust collecting tools, a suction producing means, and a dust collecting cylindrical body operatively connected at opposite ends to the suction handle and to the suction producing means; the improvement which comprises a filtering paper envelope coiled within and conforming-in shape to said cylindrical body, and a mat of openwork material coiled with said paper body to space apart the folds of said envelope.

2. In a suction cleaner having a suction handle adapted for attachment to dust collecting tools, a suction producing means, and a dust collecting cylindrical body operatively connected at opposite ends to the suction handle and to the suction producing means; the improvement which comprises a filtering paper envelope coiled within and conforming in shape to said cylindrical body, a mat of openwork material coiled with said paper body to space apart the folds of said body, and a cylindrical extender placed centrally within the dust collecting body to prevent collapsing of the envelope.

3. In a suction cleaner having a cylindrical body, air suction means for exhausting the air from said body, a suction pipe adapted for attachment to dust collecting tools, parallel with the cylindrical body, rigidly connected to and movable with said body; the improvement which comprises a filtering paper envelope coiled within and conforming in shape to the interior of said cylindrical body, and operatively connected with an intake tube leading from said suction tube, and a mat folded with said envelope to separate the fold of the envelope.

4. In a suction cleaner having a suction handle adapted for attachment to duct collecting tool, a suction roducing means, and a dust collecting cylin rical body operatively connected at opposite end to the suction handle and to the suction producing means; a filtering paper envelope coiled within and conforming in shape to said cylindrical body, a mat of openwork material coiled about said paper body to space apart the folds of said envelopes, and an intake pipe connected with the suction handle and communicating with the interior of the envelope.

In testimony whereof I aflix my signature.

DANIEL BENSON REPLOGLE. 

